London has been battered by 50mph winds that have felled trees and caused travel chaos. Powerful gusts swept across the capital as the Met Office issued a yellow "be aware" weather alert for most of the country.

Software firm Autonomy today faced an investigation by the UK’s accountancy watchdog over its financial statements in the lead-up to its $11.1 billion (£7.1 billion) takeover by US giant Hewlett-Packard in 2011.